Contribution
à l'étude du comportement dynamique des rotors
embarqués
dynamique en flexion de rotors dont le support rigide est en déplacement. .... rotors dont le support est fixe pour les modèles de Rayleigh-Ritz et éléments ...
http://docinsa.insa-lyon.fr/these/2003/duchemin/03_intro.pdf
Comportement
dynamique et stabilité des rotors
: application aux ...
be very sensitive to all these parameters. ...... Une méthode de discrétisation est choisie : la méthode de Rayleigh-Ritz est bien adaptée .... L'expression générale de l'énergie de déformation du rotor en flexion est alors : ...
http://docinsa.insa-lyon.fr/these/2007/sino/these.pdf
Etude du comportement dynamique du
rotor anti-couple d'un l ...
Le comportement dynamique des rotors a une utilisation vaste et ...... en flexion : • La méthode de Rayleigh-Ritz utilisée pour mettre en évidence des ...
http://www.umbb.dz/Bibumbb/theses/Genie mecanique/LECHEB-Samir.pdf
Identification et modélisation par éléments finis
des charges ...
This study concerned the dynamic behavior of the vertical rotors. The main objective of these research ..... Rayleigh Ritz afin d'étudier des phénomènes de base. .... Özgüven et Özkan [35] ont prolongé le modèle de dynamique de rotor de ...... L'expression générale de l'énergie de déformation du rotor en flexion ...
http://www.umbb.dz/Bibumbb/theses/Genie mecanique/CHELLIL-AHMED.pdf
Consistent
first and second order dynamic model of flexible ...
Ecole des mines de Nantes, Ecole Centrale de Nantes. Intstitut de Recherche en CybernCtique de Nantes UMR 6597 ... These systems require to use different theories to model their dynamics. ..... of the Rayleigh-Ritz functions @(k). The order of the ... modeling of the pure flexion is exact under the Euler- ...
http://ieeexplore.ieee.org/iel4/5562/14899/00677237.pdf
Analysis of a disk-type piezoelectric ultrasonic motor using
...
friction for the stator and rotor contact, stall torque, and ... the Rayleigh-Ritz assumed mode energy method to model ... stator in harmonic vibration are calculated using the d e .... To illustrate these conditions, the impedance ...
http://ieeexplore.ieee.org/iel5/58/28104/01256307.pdf?arnumber=1256307
THE
COUPLED VIBRATION IN A SHAFT-DISK-BLADES SYSTEM
by CH Yang - 2005 - Related articles
http://www.crt.ntust.edu.tw/jcie/pdf/28-1-PDF/89-99.PDF
The DLR FlexibleBodies Library to Model Large Motions of Beams and
...
by A Heckmann - Cited by 1
http://www.modelica.org/events/modelica2006/Proceedings/sessions/Session1d1.pdf
On the
vibration of imperfect circular disks
tions: circular saw blades, turbine rotors, brake ... To avoid or make use of these phenom- ena, it is necessary to understand their forming mechanism. ... of a circular plate by Rayleigh-Ritz method. Nayfeh et al. ..... de. 32W, 1 3W m 2. ,w=~--~ r Or r ~. A2. 321.+ ' . 1 3w 5m 2 w=~--~ r Or ...
http://www.springerlink.com/index/H5784K50673226W0.pdf
Optimal
location of a cutout in rectangular Mindlin plates for ...
of these coordinates are determined using the Generalized. Reduced Gradient (GRG) method. To demonstrate the ... 3. the Rayleigh-Ritz method by Gutierrez and Laura ..... This paper presents an effective numerical method for de- ...
http://www.springerlink.com/index/XXLG2W7CHMTG96FA.pdf
EXPERIMENTAL
EVALUATION OF A CASCADE CONTROL TECHNIQUE WITH ...
by ARG Ramires - 2009 - Related articles
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XI-TH INTERNATIONAL CONFERENCE ON VIBRATION ENGINEERING
Subspace iteration solutions are based on Rayleigh-Ritz approximations. ... Case study: Non linear 1XRPM solution learning from rotor dynamic characteristic .... and few snapshots of extension and flexion motions of the hand. ... These persons seem to have, as well, an increased laxity of their connective tissues. ...
http://mh.mec.utt.ro/vib_eng_2005/docs/List_of_Abstracts_VIB_ENG_2005.pdf
Numerical
and Experimental Study of Friction Damping in Blade ...
by D Charleux - 2006 - Cited by 5
http://downloads.hindawi.com/journals/ijrm/2006/071302.pdf
Academia
Americana de Mecanica American Academy of
Mechanics
by POI Announcements IV - Related articles
http://www.aamech.org/issues/volume31number7-8.pdf
Academia
Americana de Mecanica American Academy of
Mechanics
by P Openings II - Related articles
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Journal of
Composite Materials
by considering the frequency dependence of these moduli, one may get an insight ... present investigation, the insensitive range is defined as the region in which the de- ..... Modal Analysis and Rayleigh-Ritz Models. ...
http://jcm.sagepub.com/cgi/reprint/35/17/1553.pdf
Contact analysis and mathematical modeling of traveling wave
...
by M Zhu - 2004 - Cited by 18
http://dspace.lib.cranfield.ac.uk/bitstream/1826/2640/3/Contact analysis and mathematical modeling-2004.pdf
Analyse
de la dynamique non linéaire
d'amortisseurs du type ...
to remedy these problems, thanks to its relative constructional ...... Fig. 3.2: Mod`ele du rotor Jeffcott k1 : rigidité en flexion de l'arbre; .... méthode de Rayleigh-Ritz. La simulation de la dynamique de mod`eles complexes ...
http://bibli.ec-lyon.fr/exl-doc/assisrodrigues.pdf
Etude du
comportement non-linéaire dans le domaine fréquentiel ...
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METHODS
THAT CREATE LOW PRESSURE
An ultrasonic motor consists of a rotor and a stator being ultrasonically .... These kind of motor employs doubly degenerated modes where the excitation of .... Nesbitt et al. on the other hand utilizes the Rayleigh-Ritz assumed mode energy .... Principles of producing flexion on a lever: (a) bimorphic type: (b) ...
http://155.69.254.10/users/risc/Pub/Thesis/00-me-lim-usm.pdf
C:/Documents
and Settings/Alexis/Mes documents/modele_these ...
The dynamic modeling of the autonomous flying machines makes these last ..... Le modèle dynamique de l'ensemble du Quadri- rotor est obtenu en prenant ...... de Rayleigh-Ritz, on définit le déplacement élastique dû à la flexion pure de ...
http://www.ibisc.univ-evry.fr/Vie/TR/2007/IBISC-RR-2007-11.pdf
Electromechanical
Energy Conversion in Asymmetric Piezoelectric ...
by DIKD Wolf - Cited by 7
http://tuprints.ulb.tu-darmstadt.de/94/1/d.pdf
Vibration of Delaminated Composite Laminates: A Review
by CN Della - 2007 - Cited by 11
http://www3.ntu.edu.sg/mae/Research/Groups/Impact_Eng/shudongweipublicationsDownloadablePDF/della2007v60Vibration of delaminated composites - A review.pdf
[tel-00212283,
v1] Contribution à l'étude des bruits acoustiques
...
rotor. Si on avait constaté que la répartition d'une maille de rotor `a cage .... La tendance actuelle est `a l'utilisation de méthodes de Ritz et ...... L'équation dynamique du mouvement de flexion englobe donc le mode de corps rigide. ... dans [Den Hartog85] qui a calculé `a partir d'une méthode de Rayleigh ...
http://hal.archives-ouvertes.fr/docs/00/21/22/83/PDF/these.pdf
ELECTRONICS AND
COMMUNICATION ENGINEERING
by TTOE SEMESTERS - Related articles
http://www.universityofcalicut.info/syl/PT EC.pdf
UNIVERSITE DE SHERBROOKE FACULTE
DES SCIENCES FACULTE DES SCIENCES
...
teur de these, etre autorise a poursuivre des travaux en vue du doctorat ...... Rayleigh Ritz. Problemes differentiels de conditions aux frontieres non-homo- ...... Equilibrage statique et dynamique des rotors. Equilibrage des masses .... Equilibrage des rotors et vitesses critiques; vibrations de flexion, ...
http://www.usherbrooke.ca/programmes/fileadmin/sites/programmes/documents/Annuaires/1960-1969/1967-1968_sciences_sciences_appliquees.PDF
UNIVERSITÉ DE SHERBROOKE FACULTÉ
DES SCIENCES APPLIQUÉES
thode de Rayleigh-Ritz. Principes de Hamilton et de Lagrange. Vibrations ..... dynamique des rotors dans un ou plusieurs plans. Détermination de .... Vitesses critiques des arbres: analyse des vibrations de flexion dans les ...
http://www.usherbrooke.ca/programmes/fileadmin/sites/programmes/documents/Annuaires/1970-1979/1971-1972_sciences_appliquees.PDF
HORIZONTALLY CURVED STEEL I-GIRDERS STATE-OF-THE-ART ANALYSIS
METHODS
by A Zureick - 1999 - Cited by 17
http://wiryanto.wordpress.com/files/2006/11/horizontally-curved-steel-i-girders-state-of-the-art-analys.pdf
Generalized Modelling of a Space Station and Determination of the
...
to perform these functions requires accurate dynamic models of the space station along ...... by finite element methods or Rayleigh-Ritz methods. ..... Flexion and extension involve the astronaut in a position where movement ...... Obtain estimates of the frequency response using the de-noised time-frequency repre- ...
http://dspace.mit.edu/bitstream/handle/1721.1/50538/43584130.pdf?sequence=1
OCT 25 1995
Fast - Fourier transform techniques (FFT) [3] and Rayleigh-Ritz methods. ...... thermore, these techniques tend to be expensive and frequently unreliable ...... Traditional non-destructive evaluation techniques such as x-ray and CATSCAN de- ..... ural aerospace components such as helicopter rotor blades and wings. ...
http://dspace.mit.edu/bitstream/handle/1721.1/37018/34148936.pdf?sequence=1
SYMBOLIC MODELING OF MULTIBODY SYSTEMS
by JC Samin - 2003 - Cited by 23
http://www.prm.ucl.ac.be/cours/meca2802/03-04/MECA2802_chap1-2.pdf
Analysis of
the vibration of pipes conveying fluid
fluid is derived from the Lagrange principle, the Ritz method and consideration of the coupling between the pipe and fluid. ..... One of these is the vector field of the pipe displacement u .... which is composed of two parts if Rayleigh damping ..... 16 de Arantes e Oliveira, E. R. A method of fictitious forces ...
http://pep.metapress.com/index/Y74854P34377211H.pdf
Gaming course
offered at HCC
These days, when everybody's learning how to make their money go farther, ...... The December luncheon will be at the Bayou Restaurant in Havre de Grace, with networking ... Ritz Cartage Company, $8280.31, satisfied,. 10/27/09 ...
http://www.harfordledger.com/archives/HBL_1209.pdf
Modélisation Causale en vue de la Commande d'un
translateur ...
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http://tel.archives-ouvertes.fr/docs/00/06/16/42/PDF/Pigache-thesis.pdf
ON
TACTILE SENSING AND DISPLAY
by WR Provancher - 2003 - Cited by 7
http://bdml.stanford.edu/DML/publications/provancher_thesis.pdf
DYNAMICS AND CONTROL OF ORBITING FLEXIBLE SYSTEMS: A FORMULATION
...
describing a thermally flexed configuration and the concept of integral manifold, the ... ning satellite [60], and a satellite with a rotor [61]. ...... on the dominance of these two effects, the peak control torques required might be ...... Systems by the Rayleigh-Ritz Method," AIAA Dynamics Specialist Confer- ...
https://circle.ubc.ca/bitstream/handle/2429/3376/ubc_1992_spring_ng_chun_ki_alfred.pdf?sequence=1
PLANAR DYNAMICS AND CONTROL OF SPACE-BASED FLEXIBLE MANIPULATORS
...
inertial orientation of the actuator rotor on the itfl joint. 6 true anomaly of the system ..... of these factors can result in large structural vibrations. ...... System response to a simultaneous 90° joint rotation and 5 m de- ...... [73] Meirovitch, L., and Kwak, M.K., "Rayleigh-Ritz Based Substructure Synthesis ...
https://circle.ubc.ca/bitstream/handle/2429/5659/ubc_1997-0003.pdf?sequence=1
Metallurgy
Department Progress Report for the Period 1 January to ...
metals, and partly in order to obtain information about these de- ...... equivalent circuits, the Rayleigh-Ritz method, Hindiin plate theory and in ..... The principles for the static structural testing of glass/polyester rotor- ...
http://www.risoe.dk/rispubl/reports_INIS/RISOR547.pdf
6. Poster Communications
de flexion sur des éprouvettes similaires à celles utilisées pour la .... dynamique de la structure considérée. En outre, sa modélisation peut entraîner des ... fait appel à des méthodes approximatives telles que celles de Ritz. ...... transversal et de rayleigh. Ces variations ont été également mises en évidence ...
http://www.ul.edu.lb/files/6.pdf
¢&EL'.-c
C'",,
SPIN TEST VIBRATIONS OF PENDULOUSLY SUPPORTED DISC/CYLINPR ROTORS. F. II. Wolff and A. J. Molnar, ...... these data and identifies the conclusions de- ...... the fluid system is coupled to the structural system by Rayleigh-Ritz ...
http://www.stormingmedia.us/01/0166/A016681.pdf
REPORiILl om NO.
0704.0188
composite helicopter rotor blade dynamics, stability and control, smart composite ..... One of the examp of these tw combined. a n the cvil engmeen mucturms de• nd a neassmment ...... made by Rayleigh, taking into account the anisotropic inhomogeneous beam. ...... ear analysis, the Rayleighb-Ritz reduction method ...
http://www.stormingmedia.us/17/1741/A174182.pdf
On the
dynamics of ball bearings
- Related articles
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Programme and Book of abstracts
Ivan Goethals, Bart Van Luyten, Bart De Moor, Katholieke Universiteit Leuven, Belgium ...... These oscillations of the pump rotor can be recognized as vibrations at the bearing blocks ..... Rayleigh-Ritz's and Finite Element Methods. ...
http://www.isma-isaac.be/past/conf/isma2004/download/BookOfAbstracts.pdf
Smart Structures and Materials NDE for Health Monitoring and
...
advances in these technologies are being explored. The NDE Health. Monitoring and Diagnostics Symposium addresses ...... 11:20 am: Rayleigh-Ritz formulation for active control of ...... M. G. Shlyagin, Centro de. Investigacion Cientifica y de. Educacion Superior de ...... 1:30 pm: Rotor health monitoring and damage ...
http://ndeaa.jpl.nasa.gov/nasa-nde/nde-aa-l/Conf/SSM-NDE-2001.pdf
Smart Structures and Materials NDE for Health Monitoring and
...
integrating Palmar geometry and flexion crease analysis, crease analysis, M. Yamanaka, ...... method to overcome these problems is the implementation of a model de- ...... derived by the Rayleigh-Ritz method. The cantilever plate with piezoceramic ...... impacts between rotor and stator is implemented in the model. ...
http://ndeaa.jpl.nasa.gov/nasa-nde/nde-aa-l/Conf/SSM-NDE-2003.pdf
CREATE
Represents: DE, DC, MD, VA. Rick Thomason, Hoover, AL. Represents: AL, FL, LA, MS ..... PHCC has begun providing assistance along these lines to states. ..... Fall 2005 CCA meeting at the Ritz-Carlton Buckhead in Atlanta, ...
http://www.phccweb.org/files/PDFs/StateofAssociation06Web.pdf
DISTRIBUTED OPTIMIZATION AND FLIGHT CONTROL USING COLLECTIVES
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Computational
strategies for flexible multibody systems
by TM Wasfy - 2003 - Cited by 62
http://mecara.fpms.ac.be/grasmech/PaperWasfyNoor.pdf
2009 NEHRP RECOMMENDED SEISMIC PROVISIONS FOR NEW BUILDINGS AND
...
These parameters are 2/3 of the respective SMS and SM1 values and ...... symmetric in plan and layout of seismic-force-resisting systems (De La Liera and ...... Other bases, such as a set of orthogonal load-dependent Ritz vectors, may be preferable in ... Such damping is often referred to as Rayleigh damping. ...
http://nibs.org/client/assets/files/bssc/2009/Part-2_P-750_2009_NEHRP_RecommendedSeismicProvisions.pdf
Thèse Méthodologie d'analyse de fiabilité basée
sur des techniques ...
Analyse de fiabilité d'une plaque basée sur la méthode de Ritz ...... L'analyse de fiabilité en dynamique des structures prend une partie .... orthopédiques, les implants, les équipements médicaux et les rotors et pales ...... contrainte maximale de flexion sur la section droite est obtenue selon ...... Rayleigh ...
http://biblio.insa-rouen.fr/theses-1/theses-disponibles/theses-disponibles/thesejerojas.pdf
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